Dental root canal-filling composition

Details Dental root canal-filling composition Dental root canal-filling composition

2009-09-16

2011-10-25

Seidleck, James J (Department: 1765)

Dentistry

Method or material for testing, treating, restoring, or...

By filling, bonding or cementing

C433S226000

Reexamination Certificate

active

08043093

ABSTRACT:
To provide a dental root canal-filling composition which is generally formed in a point shape, has high strength, is properly deformed so as to afford easy operativity for filling in a root canal, has improved wetting and adhering properties with a root canal-filling sealer and is less deteriored by sterilization or chemical disinfection, the dental root canal-filling composition comprises one or more kinds of polyolefin resins selected from the group of polyethylene, polypropylene, and a copolymer of polyethylene and polypropylene, a styrene block copolymer, one or more kinds of thermoplastic resins selected from the group of ester gum, rosin, an alicyclic saturated hydrocarbon resin, a terpene resin, and an aliphatic petroleum resin, and one or more kinds of inorganic fillers selected from the group of zinc oxide, barium sulfate, zirconium oxide, titanium oxide, ytterbium fluoride, a barium glass, and an aluminosilicate glass.

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